This list documents all trophies that are featured in Sword Art Online: Lost Song.
|ALO's Strongest Player||Earn all trophies.|
"You are an excellent fighter. The best I have ever seen."
|Welcome to ALfheim Online!||Log into ALfheim Online.||Bronze|
|Fairies in the Sky||Reach the story chapter "Fairies in the Sky."||Bronze|
|The World of the Black Fairies||Reach the story chapter "The World of the Black Fairies."||Bronze|
|The Youthful Goddess||Reach the story chapter "The Youthful Goddess."||Bronze|
|The Red-head in the Shadows||Reach the story chapter "The Red-head in the Shadows."||Bronze|
|A Paradox of Light and Darkness||Reach the story chapter "A Paradox of Light and Darkness."||Bronze|
|Battle of the Knights of the Tri-blade||Reach the story chapter "Battle of the Knights of the Tri-Blade."||Bronze|
|Lies||Reach the story chapter "Lies."||Bronze|
|Intertwined Desires||Reach the story chapter "Intertwined Desires."||Bronze|
|The Dark World||Reach the story chapter "The Dark World."||Bronze|
|The Twilight of the Gods||Reach the story chapter "The Twilight of the Gods."||Bronze|
|The Two Idols||Reach the story chapter "The Two Idols."||Bronze|
|We're Not Done Yet!||Complete all main story chapters.|
"We still have a lot gaming left to do!"
|A Deeper Bond: Asuna||Complete Asuna's side story.|
"Stay with me forever, Asuna."
|A Deeper Bond: Leafa||Complete Leafa's side story.|
"I hope that I'll always get along with Sugu."
|A Deeper Bond: Silica||Complete Silica's side story.|
"I won't tell anyone what happened here today."
|A Deeper Bond: Lisbeth||Complete Lisbeth's side story.|
"We're going to forge a lot of memories together, whether you like it or not."
|A Deeper Bond: Sinon||Complete Sinon's side story.|
"Sinon is a indispensable part of this team, and an important friend."
|Ki-bo's a Playah||Go to the festival with all the game's heroines.|
"This is a sweet scoop!"
|A Worthy Rival||Befriend Sumeragi.||Bronze|
|Let's Start with a Test Run||Complete your first side quest.||Bronze|
|Contractor||Complete a total of 100 side quests.||Silver|
|Bounty Hunter||Complete a total of 100 Extra Quests and/or Multiplayer Quests.||Silver|
|It's Just Like Old Times||Complete a side quest, Extra Quest, or Multiplayer Quest with a party consisting of Kirito and Asuna.||Bronze|
|Guys Night Out||Complete a side quest, Extra Quest, or Multiplayer Quest with a party consisting of Kirito, Klein, and Agil.||Bronze|
|Girls' Ops||Complete a side quest, Extra Quest, or Multiplayer Quest with a party consisting of Silica, Lisbeth, and Leafa.||Bronze|
|Being a Solo Player Isn't So Bad||Complete a total of 10 side quests, Extra Quests, and/or Multiplayer Quests with a party consisting of any single player.||Bronze|
|Super Player||Complete an Extra Quest without taking damage.||Gold|
|A Game Where You Can Die Is Too Easy||Have the character you are controlling reach 0 HP and become a Remain Light.||Bronze|
|Can I Get a Raise?||Resurrect a party member who has become a Remain Light.||Bronze|
|Weapon Collector||Collect 100 different weapons, not including shields.||Silver|
|Accessory Collector||Collect 50 different accessories.||Silver|
|Lisbeth's Smithy Appreciates Your Patronage!||Raise a weapon's Enhancement Level to its maximum.||Silver|
|Swordmaster||Raise a single Sword Skill to level 500.|
|Spellmaster||Raise a single Magic Skill or Special Skill to level 500.||Silver|
|Skill Master[† 1]||Raise Asuna, Yuuki, Rain, and Sumeragi's OSS to level 100.||Silver|
|Skill Maniac||Learn every possible Sword Skill, Magic Skill, and Special Skill for a single character.||Silver|
|All These 100,000 Yuld Mithril Pieces...!||Have more than 1,000,000 Yuld.||Bronze|
|Slayer of Enemies||Defeat 5 or more enemies at the same time with a single attack.||Silver|
|Annihilator of Enemies||Defeat 1,000 enemies over the course of the game.||Silver|
|Sword of Kings||Obtain Excalibur.||Silver|
|Your Adventure.||Create a party that includes your own custom character.||Bronze|
- ↑ This trophy will be displayed as "Hidden Trophy" until it has been achieved